What would be the maximum fee you might negotiate for a cost plus fixed fee contract for advisory and assistance services contract?

The maximum fee for a cost-plus-fixed-fee contract for advisory and assistance services typically ranges from 5% to 15% of the total estimated costs, depending on the complexity and risk associated with the project. Factors influencing this percentage include the scope of work, the level of expertise required, and the expected duration of the contract. Ultimately, negotiations should consider both the value provided and industry standards to arrive at a mutually agreeable fee.